Let me begin with the conclusion
If you are operating from a smartphone, please log in from the browser, not from the app.
In case of Paypal
It is useless if you operate from the Paypal app
It's a waste of time because it doesn't progress even if you wait for an hour.
For Iphone, log in to Paypal from Safari.
If you use Android, basically the same.
I used Iphone and android and tried many times for 3 days, but the camera screen was frozen and I was in trouble.
I wrote this article in hopes that it will help those who have similar problems.
I would appreciate it if it could helps.